dab hand

n.

（常与at连用）能手，内行，老手；

复数：dab hands

The End: Closet Confessions; Honestly, Some People. Not Content with Being Young, Pretty, and a Dab Hand in the Songstress Stakes, T...
SWEEPING BEAUTY; FIRST TEST AGAINST BANGLADESH STARTS TOMORROW: Morgan: I'll Show I'm Dab Hand at Tests Too
Cricket: Dab Hand with Towel and Drinks, but Where's the Ball?
No Dab Hand at Dalliance
Be a 'Dab Hand' at Controlling Contract Costs Better!
Auntie is a dab hand with the Web
A Dab2 hand in development
Flatfish is a dab hand at monitoring pollution
Book reviews : Invitation to Self Management Alan Stanton Dab Hand Press, 1989
CRS CROSS THE POND WITH A DAB HAND FOR FOOD INSPECTION